Question

if one of the zero of the polynomial 4x-17x+k be the recipocal of other , then find k.​

Answer 1

Answer:

if the roots of the eq. is reciprocal then

their product is 1

here

product is k/4

According to question

1=k/4

k=4

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Answer 2

Answer:

k = 4

Explanation:

polynomial = 4x^2 -17x +k.

so, a= 4,

b= -17,

c= k.

let, one of the zero of the polynomial be 'A'.

so, other zero = 1/A.

A*1/A = c/a.

1 = k/4. (A is cancelled by A)

k=4.